/*
 * Copyright 2020, OpenTelemetry Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.opentelemetry.auto.instrumentation.ratpack;

import net.bytebuddy.asm.Advice;
import ratpack.handling.HandlerDecorator;
import ratpack.registry.Registry;

public class ServerRegistryAdvice {
  @Advice.OnMethodExit(suppress = Throwable.class)
  public static void injectTracing(@Advice.Return(readOnly = false) Registry registry) {
    registry =
        registry.join(
            Registry.builder().add(HandlerDecorator.prepend(TracingHandler.INSTANCE)).build());
  }
}
